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120 lines
3.1 KiB
120 lines
3.1 KiB
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Tests for firmware 2common.c
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*/
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#include "2sysincludes.h"
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#include "2common.h"
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#include "test_common.h"
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/**
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* Test memory compare functions
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*/
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static void test_memcmp(void)
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{
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TEST_EQ(vb2_safe_memcmp("foo", "foo", 3), 0, "memcmp equal");
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TEST_NEQ(vb2_safe_memcmp("foo1", "foo2", 4), 0, "memcmp different");
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TEST_EQ(vb2_safe_memcmp("foo1", "foo2", 0), 0, "memcmp 0-size");
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}
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/**
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* Test alignment functions
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*/
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static void test_align(void)
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{
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uint64_t buf[4];
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uint8_t *p0, *ptr;
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uint32_t size;
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/* Already aligned */
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p0 = (uint8_t *)buf;
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ptr = p0;
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size = 16;
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TEST_SUCC(vb2_align(&ptr, &size, 4, 16), "vb2_align() aligned");
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TEST_EQ(vb2_offset_of(p0, ptr), 0, "ptr");
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TEST_EQ(size, 16, " size");
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TEST_EQ(vb2_align(&ptr, &size, 4, 17),
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VB2_ERROR_ALIGN_SIZE, "vb2_align() small");
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/* Offset */
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ptr = p0 + 1;
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size = 15;
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TEST_SUCC(vb2_align(&ptr, &size, 4, 12), "vb2_align() offset");
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TEST_EQ(vb2_offset_of(p0, ptr), 4, "ptr");
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TEST_EQ(size, 12, " size");
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/* Offset, now too small */
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ptr = p0 + 1;
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size = 15;
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TEST_EQ(vb2_align(&ptr, &size, 4, 15),
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VB2_ERROR_ALIGN_SIZE, "vb2_align() offset small");
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/* Offset, too small even to align */
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ptr = p0 + 1;
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size = 1;
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TEST_EQ(vb2_align(&ptr, &size, 4, 1),
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VB2_ERROR_ALIGN_BIGGER_THAN_SIZE, "vb2_align() offset tiny");
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}
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/**
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* Test work buffer functions
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*/
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static void test_workbuf(void)
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{
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uint64_t buf[8] __attribute__ ((aligned (VB2_WORKBUF_ALIGN)));
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uint8_t *p0 = (uint8_t *)buf, *ptr;
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struct vb2_workbuf wb;
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/* NOTE: There are several magic numbers below which assume that
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* VB2_WORKBUF_ALIGN == 16 */
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/* Init */
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vb2_workbuf_init(&wb, p0, 64);
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TEST_EQ(vb2_offset_of(p0, wb.buf), 0, "Workbuf init aligned");
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TEST_EQ(wb.size, 64, " size");
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vb2_workbuf_init(&wb, p0 + 4, 64);
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TEST_EQ(vb2_offset_of(p0, wb.buf), VB2_WORKBUF_ALIGN,
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"Workbuf init unaligned");
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TEST_EQ(wb.size, 64 - VB2_WORKBUF_ALIGN + 4, " size");
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vb2_workbuf_init(&wb, p0 + 2, 5);
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TEST_EQ(wb.size, 0, "Workbuf init tiny unaligned size");
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/* Alloc rounds up */
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vb2_workbuf_init(&wb, p0, 64);
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ptr = vb2_workbuf_alloc(&wb, 22);
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TEST_EQ(vb2_offset_of(p0, ptr), 0, "Workbuf alloc");
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TEST_EQ(vb2_offset_of(p0, wb.buf), 32, " buf");
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TEST_EQ(wb.size, 32, " size");
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vb2_workbuf_init(&wb, p0, 32);
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TEST_PTR_EQ(vb2_workbuf_alloc(&wb, 33), NULL, "Workbuf alloc too big");
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/* Free reverses alloc */
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vb2_workbuf_init(&wb, p0, 32);
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vb2_workbuf_alloc(&wb, 22);
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vb2_workbuf_free(&wb, 22);
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TEST_EQ(vb2_offset_of(p0, wb.buf), 0, "Workbuf free buf");
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TEST_EQ(wb.size, 32, " size");
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/* Realloc keeps same pointer as alloc */
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vb2_workbuf_init(&wb, p0, 64);
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vb2_workbuf_alloc(&wb, 6);
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ptr = vb2_workbuf_realloc(&wb, 6, 21);
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TEST_EQ(vb2_offset_of(p0, ptr), 0, "Workbuf realloc");
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TEST_EQ(vb2_offset_of(p0, wb.buf), 32, " buf");
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TEST_EQ(wb.size, 32, " size");
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}
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int main(int argc, char* argv[])
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{
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test_memcmp();
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test_align();
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test_workbuf();
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return gTestSuccess ? 0 : 255;
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}
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